Estimate how many time larger 10x10^9 is than 99x10^6

C) 100 times larger

Step-by-step explanation:

10 x 10^9 = 10^10

99 x 10^6 = 100 x 10^6 = 10^8

10^10 - 10^8 = 10^2 = 100

the ratio of white tiles to blue tiles is 48: 16. the ratio in it's simplest form is 3: 1.

step-by-step explanation:

ratio: take the first number and add a colon next to it, then add the second number after that. make sure the ratio order matches up with the written problem!

simplest form: we can simplify the ratio 48 : 16 by dividing both terms by the greatest common factor (gcf).

the gcf of 48 and 16 is 16.

divide both terms by 16:

48 ÷ 16 = 3

16 ÷ 16 = 1

reducing to simplest form:

48 : 16 = 3 : 1

a. is correct